// Token: 0x06005A24 RID: 23076 RVA: 0x0018D68C File Offset: 0x0018B88C
internal static void OnVirtualizationPropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
ItemsControl itemsControl = d as ItemsControl;
if (itemsControl != null)
{
Panel itemsHost = itemsControl.ItemsHost;
if (itemsHost != null)
{
itemsHost.InvalidateMeasure();
ItemsPresenter itemsPresenter = VisualTreeHelper.GetParent(itemsHost) as ItemsPresenter;
if (itemsPresenter != null)
{
itemsPresenter.InvalidateMeasure();
}
if (d is TreeView)
{
DependencyProperty property = e.Property;
if (property == VirtualizingStackPanel.IsVirtualizingProperty || property == VirtualizingPanel.IsVirtualizingWhenGroupingProperty || property == VirtualizingStackPanel.VirtualizationModeProperty || property == VirtualizingPanel.ScrollUnitProperty)
{
VirtualizingPanel.VirtualizationPropertyChangePropagationRecursive(itemsControl, itemsHost);
}
}
}
}
}
// Token: 0x06005A25 RID: 23077 RVA: 0x0018D700 File Offset: 0x0018B900
private static void VirtualizationPropertyChangePropagationRecursive(DependencyObject parent, Panel itemsHost)
{
UIElementCollection internalChildren = itemsHost.InternalChildren;
int count = internalChildren.Count;
for (int i = 0; i < count; i++)
{
IHierarchicalVirtualizationAndScrollInfo hierarchicalVirtualizationAndScrollInfo = internalChildren[i] as IHierarchicalVirtualizationAndScrollInfo;
if (hierarchicalVirtualizationAndScrollInfo != null)
{
TreeViewItem.IsVirtualizingPropagationHelper(parent, (DependencyObject)hierarchicalVirtualizationAndScrollInfo);
Panel itemsHost2 = hierarchicalVirtualizationAndScrollInfo.ItemsHost;
if (itemsHost2 != null)
{
VirtualizingPanel.VirtualizationPropertyChangePropagationRecursive((DependencyObject)hierarchicalVirtualizationAndScrollInfo, itemsHost2);
}
}
}
}
